obama continues to field questions about his administration's response to the attack on the u.s. consulate on benghazi including with msnbc's "morning joe" co-hosts joe scarborough and mika brsysnski. >> i'm responsible and i don't shy away with from that. >> reporter: traveling with the president, kristen well ke, nbc news. >>> this is peter alexander in florida where mitt romney is trying to pump up the vote. vowing he would be a bipartisan leader mr. romney laid into the president. >> he promised that his would be a post partisan presidency. we have watched him over the last four years and he's been divisive and demonized any group that opposed him. >> reporter: marco rubio attacked president obama's proposals with his sharp partisan rebuke. >> they are the ideas of countries that people come here to get away from. >> reporter: mitt romney will stop first in the heavily republican panhandle. then in a democratic leaning county trying to slice into the president's lead before closing the day near tampa, a battleground within this swing state. meanwhile not wanting to risk appea